CN107841244A - A kind of die casting machine special high-temperature resistant coating - Google Patents
A kind of die casting machine special high-temperature resistant coating Download PDFInfo
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- CN107841244A CN107841244A CN201711057877.4A CN201711057877A CN107841244A CN 107841244 A CN107841244 A CN 107841244A CN 201711057877 A CN201711057877 A CN 201711057877A CN 107841244 A CN107841244 A CN 107841244A
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- temperature resistant
- die casting
- casting machine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of die casting machine special high-temperature resistant coating, it is made up of the raw material of following parts by weight：80 100 parts of epoxy modified silicone resin, 20 35 parts of solid silicone resin, 10 14 parts of composite inorganic pigment, 58 parts of strontium chromate powder, 25 parts of magnesium oxide powder, 5 12 parts of graphite powder, 48 parts of talcum powder, 26 parts of zinc phosphate powder, 25 parts of flaky mica powder, 39 parts of nano carborundum powder, 6 12 parts of methyl-silicone oil, 35 parts of curing agent, mixed type is without 25 parts of nonex powder, 12 parts of adhesion promoter, viscosity 20 25 parts of solvent of adjustment, 4 12 parts of auxiliary agent.The present invention has good high temperature resistant, ageing-resistant, fatigue proof feature, also has the advantages that viscosity is high, cracking resistance seam, film is fine and close in neat formation, and adhesive force is splendid.
Description
Technical field
The present invention relates to die casting machine technical field, more particularly to a kind of die casting machine special high-temperature resistant coating.
Background technology
Die casting machine is exactly that molten metal bath injection is cooled and shaped into mould under pressure, and solid is obtained after die sinking
A series of industrial foundry machineries of metal casting.With scientific and technical and industrial progress, especially with automobile, motor
The industrial expansion such as car and household electrical appliance, but from energy-conservation, saving raw material aspects, die-casting technique has obtained extremely fast
The development of speed.
The section components of die casting machine directly contact with molten metal bath, because its temperature is higher, can be gone out using common coating
Now ftracture, rise it is swollen, phenomena such as coming off, service life substantially reduces.
The content of the invention
The technical problems to be solved by the invention are to overcome drawbacks described above present in prior art, it is further provided one
Kind die casting machine special high-temperature resistant coating.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of die casting machine special high-temperature resistant coating, is made up of the raw material of following parts by weight：Epoxy modified silicone resin
80-100 parts, solid silicone resin 20-35 parts, composite inorganic pigment 10-14 parts, strontium chromate powder 5-8 parts, magnesium oxide powder 2-
5 parts, graphite powder 5-12 parts, talcum powder 4-8 parts, zinc phosphate powder 2-6 parts, flaky mica powder 2-5 parts, nano carborundum powder 3-9
Part, methyl-silicone oil 6-12 parts, curing agent 3-5 parts, mixed type is without nonex powder 2-5 parts, adhesion promoter 1-2 parts, viscosity
Adjust solvent 20-25 parts, auxiliary agent 4-12 parts.
Further, the preferred weight number of each raw material is：85 parts of epoxy modified silicone resin, solid silicone resin 30
Part, 12 parts of composite inorganic pigment, 6 parts of strontium chromate powder, 4 parts of magnesium oxide powder, 10 parts of graphite powder, 6 parts of talcum powder, phosphoric acid zinc powder
6 parts of end, 5 parts of flaky mica powder, 6 parts of nano carborundum powder, 8 parts of methyl-silicone oil, 4 parts of curing agent, mixed type is without nonex powder 3
Part, 1 part of adhesion promoter, viscosity 22 parts of solvent of adjustment, 5 parts of auxiliary agent.
Further, the composite inorganic pigment includes nano oxidized iron pigment or nanometer titanium dioxide, the nano oxygen
Change iron pigment include nano oxidized cologne earth, nano-sized black iron oxide, nano iron oxide yellow and it is nanometer iron oxide red in one kind.
Further, the curing agent is polymerization macromolecule amine reagent.
Further, the mixed type includes fusing point at 750 degree without nonex powder and fusing point without nonex powder
At 680 degree without nonex powder, and the fusing point at 750 degree without nonex powder and nothing of the fusing point at 680 degree
The part by weight of nonex powder is 2: 3.
Further, the adhesion promoter is compound bifunctional silane.
Further, the viscosity adjustment solvent is toluene, dimethylbenzene, trimethylbenzene, butyl acetate, polyethylene glycol, dichloro
It is one or more than one kinds of in ethane.
Further, the auxiliary agent is that polymeric acrylic acid esters flow control agent and benzoin class degasser press 1:2 ratio
Example mixes.
Beneficial effects of the present invention：The present invention uses epoxy modified silicone resin as major ingredient, is aided with other each auxiliary materials, makes
The resistance to elevated temperatures for obtaining compound is obviously improved, and dynamic viscosity is big under hot environment, the interphase interaction of each raw material, phase interworking
Close, produce complex effect, form the system of an improvement coating property, make coating that there is good high temperature resistant, ageing-resistant, resistance to tired
The characteristics of labor, also there is viscosity height, cracking resistance seam, film is fine and close in neat formation, and adhesive force is splendid.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is schematic diagram when embodiment 4 molds；
Schematic diagram when Fig. 2 is 4 matched moulds of embodiment；
In accompanying drawing, the list of parts representated by each label is as follows：
1- slide bars, 2- cover half, 3- dynamic models, 4- liftout magnet, 5- grooves, 6- struts, 7- fixed dams, 8- expects pipes, 9- add
Material mouth, 10- pistons, 11- piston rods, 12- force magnet.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
, it is necessary to explanation in description of the invention, the orientation of instruction such as term " vertical ", " on ", " under ", " level " or
Person's position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of and describes this practicality and simplify to describe,
Rather than instruction either implies that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.In addition, " first ", " second ", " the 3rd ", " the 4th " are only used for describing mesh
, and it is not intended that instruction or hint relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise clear and definite regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection, can be mechanical connection or electrical connection, can be directly connected to or be connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Embodiment 1
A kind of die casting machine special high-temperature resistant coating, is made up of the raw material of following parts by weight：Epoxy modified silicone resin
85 parts, 30 parts of solid silicone resin, 12 parts of composite inorganic pigment, 6 parts of strontium chromate powder, 4 parts of magnesium oxide powder, graphite powder 10
Part, 6 parts of talcum powder, 6 parts of zinc phosphate powder, 5 parts of flaky mica powder, 6 parts of nano carborundum powder, 8 parts of methyl-silicone oil, curing agent 4
Part, mixed type is without 3 parts of nonex powder, 1 part of adhesion promoter, viscosity 22 parts of solvent of adjustment, 5 parts of auxiliary agent.
Further, the composite inorganic pigment includes nano oxidized iron pigment or nanometer titanium dioxide, the nano oxygen
Change iron pigment include nano oxidized cologne earth, nano-sized black iron oxide, nano iron oxide yellow and it is nanometer iron oxide red in one kind.
Further, the curing agent is polymerization macromolecule amine reagent.
Further, the mixed type includes fusing point at 750 degree without nonex powder and fusing point without nonex powder
At 680 degree without nonex powder, and the fusing point at 750 degree without nonex powder and nothing of the fusing point at 680 degree
The part by weight of nonex powder is 2: 3.
Further, the adhesion promoter is compound bifunctional silane.
Further, the viscosity adjustment solvent is toluene, dimethylbenzene, trimethylbenzene, butyl acetate, polyethylene glycol, dichloro
It is one or more than one kinds of in ethane.
Further, the auxiliary agent is that polymeric acrylic acid esters flow control agent and benzoin class degasser press 1:2 ratio
Example mixes.
Embodiment 2
A kind of die casting machine special high-temperature resistant coating, is made up of the raw material of following parts by weight：Epoxy modified silicone resin
100 parts, 20 parts of solid silicone resin, 10 parts of composite inorganic pigment, 8 parts of strontium chromate powder, 2 parts of magnesium oxide powder, graphite powder 10
Part, 6 parts of talcum powder, 4 parts of zinc phosphate powder, 4 parts of flaky mica powder, 8 parts of nano carborundum powder, 12 parts of methyl-silicone oil, curing agent 3
Part, mixed type is without 2 parts of nonex powder, 2 parts of adhesion promoter, viscosity 25 parts of solvent of adjustment, 10 parts of auxiliary agent.
Further, the composite inorganic pigment includes nano oxidized iron pigment or nanometer titanium dioxide, the nano oxygen
Change iron pigment include nano oxidized cologne earth, nano-sized black iron oxide, nano iron oxide yellow and it is nanometer iron oxide red in one kind.
Further, the curing agent is polymerization macromolecule amine reagent.
Further, the mixed type includes fusing point at 750 degree without nonex powder and fusing point without nonex powder
At 680 degree without nonex powder, and the fusing point at 750 degree without nonex powder and nothing of the fusing point at 680 degree
The part by weight of nonex powder is 2: 3.
Further, the adhesion promoter is compound bifunctional silane.
Further, the viscosity adjustment solvent is toluene, dimethylbenzene, trimethylbenzene, butyl acetate, polyethylene glycol, dichloro
It is one or more than one kinds of in ethane.
Further, the auxiliary agent is that polymeric acrylic acid esters flow control agent and benzoin class degasser press 1:2 ratio
Example mixes.
Embodiment 3
A kind of preparation method of die casting machine special high-temperature resistant coating, comprises the following steps：
Step1, epoxy modified silicone resin, solid silicone resin and viscosity adjustment solvent are poured into reactor, reacted
Temperature is increased to 280-300 DEG C in device, high-speed stirred mixing, then add magnesium oxide powder, talcum powder, nano carborundum powder and
Methyl-silicone oil, stirring reaction 60-70 minutes；
Step2, reactor temperature is reduced to 150-170 DEG C, adds strontium chromate powder, graphite powder, zinc phosphate powder
And flaky mica powder, stirring reaction 30-40 minutes；
Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add composite inorganic pigment, solidification
Agent, mixed type are disperseed without nonex powder, adhesion promoter and auxiliary agent, progress ultrasonic wave, ultrasonic power 200-220W,
Jitter time is 30-50 minutes, and dispersion temperature is 300-350 DEG C；
Step4, the mixture that step 3 is obtained is using high-speed shearing machine in 150-160 DEG C, 8000-9000 revs/min of shearing
Speed down cut disperses 25-30 minutes, that is, high-temperature resistant coating is made.
Embodiment 4
As shown in Figure 1 and Figure 2, a kind of efficient press structure, including slide bar 1, cover half 2 and dynamic model 3, the cover half 2 are located at
The right side of slide bar 1, the dynamic model 3 are located at the left side of slide bar 1；
The dynamic model 3 can slide on slide bar 1, and the dynamic model 3 is provided with liftout magnet 4, the liftout magnet 4 and dynamic model
Groove 5 on 3 matches, and the left end connection strut 6 of the liftout magnet 4, the strut 6 runs through dynamic model 3, the dynamic model 3
Left side is provided with fixed dam 7, and the fixed dam 7 acts on strut 6, and when dynamic model 3 is moved to the left, fixed dam 7 blocks support
Bar 6 so that liftout magnet 4 is by die casting roof fall；
The cover half 2 connects expects pipe 8, and the right-hand member of the expects pipe 8 is provided with charge door 9, piston 10 is provided with the expects pipe 8,
The piston 10 is driven by piston rod 11 to be moved left and right in expects pipe 8, and the inside of cover half 2 is provided with force magnet 12, described
The position of force magnet 12 is corresponding with the position of liftout magnet 4, and exert a force magnet 12 and the repulsion of the phase of liftout magnet 4, when dynamic model 3
During mould 2-in-1 with cover half, repulsion causes liftout magnet 4 to slip into groove 5.
Further, the piston rod 11 is connected with the injection hydraulic cylinder on the right side of it.
Further, the connected mode of the cover half 2 and slide bar 1 is welded to be fixed.
Further, the liftout magnet 4 welds with the connected mode of strut 6 to be fixed.
Further, the dynamic model 3 is driven by toggle structure or ball screw arrangement.
Further, the die casting machine special high-temperature resistant coating coated with the present invention on the liftout magnet 4.
By the high-temperature resistant coating of Examples 1 and 2 coated in (sheet metal is smooth, without the machine such as impression and pit on sheet metal
Tool defect, size are 50*120*1mm (pressing national standard GB1735~79), and sheet metal carries out oil removing, derusting ensures that surface of thin steel sheet is clear
It is clean, dry), place the test that correlated performance is carried out after solidifying at room temperature 24 hours.
Storage stability, adhesive force (GB1720~89), impact strength (GB/T1732~1993), drying time
(GB1728~1979) etc. test by concerned countries standard.
Heat-resisting quantity is tested：Model is put into Muffle furnace, is warming up to 800 degree, is taken out after placing 10 hours, is cooled to room
Temperature, specimen surface situation is observed, such as without pull-away, cracking situation, illustrate that paint film heat resistance is good (GB1735~89).
Cold-hot alternation performance test：Model is put into Muffle furnace, is warming up to 800 degree, is incubated 10 hours, takes out, puts
Enter in cold water and soak 1 hour, be 1 cycle.5 cycles repeatedly, observation paint film change.Such as but without pull-away, cracking feelings
Condition, illustrate that paint film cold-hot alternation is functional.
Corrosion resistance is tested：Model is put into salt fog machine, does spray testing with 5% NaCL solution, observation model is
No bubbling, get rusty (GB/T1771~91).
Method of testing more than, Examples 1 and 2 result of the test such as following table：
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification,
Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall
Enter in scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (8)
1. a kind of die casting machine special high-temperature resistant coating, it is characterised in that be made up of the raw material of following parts by weight：It is epoxide modified to have
Machine silicones 80-100 parts, solid silicone resin 20-35 parts, composite inorganic pigment 10-14 parts, strontium chromate powder 5-8 parts, oxidation
Magnesium dust 2-5 parts, graphite powder 5-12 parts, talcum powder 4-8 parts, zinc phosphate powder 2-6 parts, flaky mica powder 2-5 parts, nano silicon carbide
Silica flour 3-9 parts, methyl-silicone oil 6-12 parts, curing agent 3-5 parts, mixed type is without nonex powder 2-5 parts, adhesion promoter 1-2
Part, viscosity adjustment solvent 20-25 parts, auxiliary agent 4-12 parts.
A kind of 2. die casting machine special high-temperature resistant coating according to claim 1, it is characterised in that the preferred weight of each raw material
Number is：85 parts of epoxy modified silicone resin, 30 parts of solid silicone resin, 12 parts of composite inorganic pigment, strontium chromate powder 6
Part, 4 parts of magnesium oxide powder, 10 parts of graphite powder, 6 parts of talcum powder, 6 parts of zinc phosphate powder, 5 parts of flaky mica powder, nanometer silicon carbide
6 parts of powder, 8 parts of methyl-silicone oil, 4 parts of curing agent, mixed type are molten without 3 parts of nonex powder, 1 part of adhesion promoter, viscosity adjustment
22 parts of agent, 5 parts of auxiliary agent.
A kind of 3. die casting machine special high-temperature resistant coating according to claim 1 or 2, it is characterised in that the composite inorganic
Pigment includes nano oxidized iron pigment or nanometer titanium dioxide, and the nano oxidized iron pigment includes nano oxidized cologne earth, received
Rice iron oxide black, nano iron oxide yellow and it is nanometer iron oxide red in one kind.
4. a kind of die casting machine special high-temperature resistant coating according to claim 1 or 2, it is characterised in that the curing agent is
Polymerization macromolecule amine reagent.
A kind of 5. die casting machine special high-temperature resistant coating according to claim 1 or 2, it is characterised in that the mixed type without
Nonex powder include fusing point 750 degree without nonex powder and fusing point at 680 degree without nonex powder, it is and described
Fusing point is 2: 3 in 680 degree of the part by weight without nonex powder without nonex powder and the fusing point at 750 degree.
6. a kind of die casting machine special high-temperature resistant coating according to claim 1 or 2, it is characterised in that the attachment is made every effort to promote
It is compound bifunctional silane to enter agent.
A kind of 7. die casting machine special high-temperature resistant coating according to claim 1 or 2, it is characterised in that the viscosity adjustment
Solvent is one or more than one kinds of in toluene, dimethylbenzene, trimethylbenzene, butyl acetate, polyethylene glycol, dichloroethanes.
8. a kind of die casting machine special high-temperature resistant coating according to claim 1 or 2, it is characterised in that the auxiliary agent is poly-
Close esters of acrylic acid flow control agent and benzoin class degasser presses 1:2 ratio mixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057877.4A CN107841244A (en) | 2017-11-01 | 2017-11-01 | A kind of die casting machine special high-temperature resistant coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057877.4A CN107841244A (en) | 2017-11-01 | 2017-11-01 | A kind of die casting machine special high-temperature resistant coating |
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| Publication Number | Publication Date |
|---|---|
| CN107841244A true CN107841244A (en) | 2018-03-27 |
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| CN201711057877.4A Pending CN107841244A (en) | 2017-11-01 | 2017-11-01 | A kind of die casting machine special high-temperature resistant coating |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719193A (en) * | 2012-06-27 | 2012-10-10 | 广州豪之晟化工有限公司 | High-temperature resistant coating |
| CN106010228A (en) * | 2016-07-05 | 2016-10-12 | 台山广安霖化工有限公司 | High-temperature-resistant powder coating |
-
2017
- 2017-11-01 CN CN201711057877.4A patent/CN107841244A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719193A (en) * | 2012-06-27 | 2012-10-10 | 广州豪之晟化工有限公司 | High-temperature resistant coating |
| CN106010228A (en) * | 2016-07-05 | 2016-10-12 | 台山广安霖化工有限公司 | High-temperature-resistant powder coating |
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Application publication date: 20180327 |